PLC or Ltd

What does PLC mean?

PLC is short for public limited company. It is the UK's public company form, the counterpart of the share-based public companies found across Europe. The law puts it plainly: a public company is a company limited by shares whose certificate of incorporation states that it is a public company. Everything that is not public is private, which is the familiar Ltd.

The name gives the form away. A PLC's name must end in "public limited company" or "p.l.c.", or the Welsh equivalent for a Welsh company. So when you see "plc" after a share name, you know it is a UK public company. That is all the suffix tells you. Above all, it does not tell you that the shares trade on an exchange.

That is the most common misunderstanding. A PLC is not automatically listed. The law ties the form to registration, not to an exchange. A listing is a separate step with its own rules, its own people and its own timetable. The PLC form is the ticket, not the show.

The heart of the difference: offering shares to the public

Why two forms? Because the law draws a clear line. A private company, the Ltd, may not offer its securities to the public, nor allot shares with a view to them being offered to the public. Anyone planning that needs a PLC, or must commit to becoming one in time.

Everything else follows from that. Because a PLC may bring shares to a wide audience, the law asks for more capital, more officers, shorter deadlines and more control. The Ltd is the tool for a closed circle of shareholders, the PLC the tool for an open one. Both are legitimate, and both have their price.

For a Ltd that has the switch firmly planned, the law offers a narrow bridge. There is no breach if the company acts in good faith with a view to re-registering as a PLC before the shares are allotted, or if, as a term of the offer, it undertakes to re-register within a specified period and keeps that undertaking. That period may end no later than six months after the offer. In practice: if you are going to the public, plan the PLC from the start and do not rely on the bridge.

Capital: £50,000 and the trading certificate

A PLC needs minimum capital, which the Act calls the authorised minimum: £50,000 nominal or €57,100. Not all of it has to be paid at once. Every allotted share must, however, be paid up to at least a quarter of its nominal value plus the whole premium. In numbers: with £50,000 of nominal capital, at least £12,500 must actually be paid in.

Then comes a peculiarly British rule. A newly formed PLC may not do business or borrow until Companies House has issued it a trading certificate. Without the certificate the company exists on the register but sits, so to speak, in the waiting room. A Ltd that converts later needs no trading certificate; Companies House checks the capital as part of the conversion. The detail is in minimum capital and the trading certificate.

None of this applies to a Ltd. A private company can start with very little capital. That is convenient, and it is exactly why the law keeps it away from the public.

Officers and deadlines: more people, less time

A Ltd manages with a single director. A PLC needs at least two directors. Every PLC must also have a company secretary, and the directors must make sure that person has the experience or one of the qualifications the Act recognises. For a Ltd, a secretary is optional.

The calendar tightens too. A PLC must hold an annual general meeting every year within six months of its year end. It must file its annual accounts at Companies House within six months; a Ltd has nine. Three months does not sound like much, but in practice it feels like a different annual rhythm: accounts, audit, notice, meeting, all pressed closer together.

What the secretary actually does and which qualifications the law accepts is explained in company secretary: who qualifies.

What applies to both

Some things do not differ. Both forms have limited liability, both are registered at Companies House, both report their people with significant control. A PSC is usually someone holding more than 25% of the shares or voting rights, or able to appoint a majority of the directors.

And both have been subject to identity verification since 18 November 2025: anyone who forms, runs, owns or controls a company must verify their identity with Companies House. On a new incorporation, each director's personal code goes straight into the application. No advantage either way here, just paperwork for both.

When a Ltd is all you need

For most business owners from abroad who start trading in the UK, the Ltd is the right form. A subsidiary, a sales office, an operating company with a handful of shareholders: here a PLC only adds cost and deadlines. Forming a Ltd is covered under UK company formation.

The good news is that this is not a one-way street. A Ltd can become a PLC later, when the time is right. How that works is set out in converting a Ltd into a PLC.

Sources: Companies Act 2006, s4 Private and public companies; Companies Act 2006, s58 Public limited companies (Name); Companies Act 2006, s755 Prohibition of public offers by private company; Companies Act 2006, s761 and s763 (trading certificate, authorised minimum); Companies (Authorised Minimum) Regulations 2009, reg 2; Companies Act 2006, s154, s270, s271, s336, s442; GOV.UK: Verify your identity for Companies House; GOV.UK: People with significant control (PSCs)